std::ios_base::failure

 

C++

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Libreria di Utilità

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Algoritmi

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Libreria matematca

Input/output

Localizzazione

Espressioni regolari(C++11)

Operazioni atomicche(C++11)

Multithreading(C++11)

 

Ingresso / libreria di output

I / O manipolatori

C-style I / O

Buffer Original: Buffers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf

basic_filebuf

basic_stringbuf

strstreambuf (deprecato)

Streams Original: Streams The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Astrazioni Original: Abstractions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base

basic_ios

basic_istream

basic_ostream

basic_iostream

File I / O Original: File I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ifstream

basic_ofstream

basic_fstream

String I / O Original: String I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_istringstream

basic_ostringstream

basic_stringstream

Array I / O Original: Array I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

istrstream (deprecato)

ostrstream (deprecato)

strstream (deprecato)

Tipi Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

streamoff

streamsize

fpos

Errore categoria interfaccia Original: Error category interface The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

iostream_category (C++11)

io_errc (C++11)

 

ios_base::failure

Membri funzioni Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

failure::failure

 

Elemento definito nell'header <ios>
class failure;

Il std::ios_base::failure classe definisce un oggetto eccezione che viene generata in caso di fallimento da parte delle funzioni di Input / Output biblioteca.

Original:

The class std::ios_base::failure defines an exception object that is thrown on failure by the functions in the Input/Output library.

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Inheritance diagram (fino al c++11)

Inheritance diagram (dal C++11)

Membri funzioni

(costruttore)	costruisce l'oggetto eccezione Original: constructs the exception object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)

Inherited from std::system_error

Member functions

code	restituisce il codice di errore Original: returns error code The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)
what [virtuale]	restituisce stringa esplicativa Original: returns explanatory string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico virtuale)

Inherited from std::runtime_error

Inherited from std::exception

Member functions

(destructor) [virtuale]	distrugge l'oggetto eccezione Original: destructs the exception object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico virtuale)
what [virtuale]	restituisce una stringa esplicativa Original: returns an explanatory string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico virtuale)

Esempio

#include <iostream>#include <fstream>int main(){std::ifstream f("doesn't exist");try{ f.exceptions(f.failbit);}catch(const std::ios_base::failure& e){std::cout<<"Caught an ios_base::failure.\n"<<"Explanatory string: "<< e.what()<<'\n'<<"Error code: "<< e.code()<<'\n';}}

Output:

Caught an ios_base::failure. Explanatory string: ios_base::clear: unspecified iostream_category error Error code: iostream:1

Vedi anche

io_errc (C++11)	il flusso IO codici di errore Original: the IO stream error codes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (enum)